Wiedmann, J., & Marcinowski, R. (1985). Scaphamites passendorferi n.g.n.sp. (Ammonoidea, Cretaceous) - ancestor of Scaphitaceae Meek? [s.l.]: [s.n.].
Chicago Style CitationWiedmann, Jost, and Ryszard Marcinowski. Scaphamites Passendorferi N.g.n.sp. (Ammonoidea, Cretaceous) - Ancestor of Scaphitaceae Meek? [s.l.]: [s.n.], 1985.
MLA CitationWiedmann, Jost, and Ryszard Marcinowski. Scaphamites Passendorferi N.g.n.sp. (Ammonoidea, Cretaceous) - Ancestor of Scaphitaceae Meek? [s.l.]: [s.n.], 1985.
Warning: These citations may not always be 100% accurate.